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This is because your email address is in our bounce list, I have removed it and you should receive emails now, pelase take a look to this guide in order to know how to properly set your email notifications: https://www.jotform.com/help/208-How-to-Setup-Email-Alerts-to-Prevent-Email-Bouncing-Related-Issues
You can also remove an email address from our bounce list by following the steps on this guide: https://www.jotform.com/help/262-How-to-Remove-Your-Email-Address-from-Bounce-List
If the issue still persists, I would suggest you to ask your email provider to white-list our IP addresses, here is the link with our IPs: http://www.jotform.com/help/145-Whitelisting-JotMails-IP-Addresses
Hope this helps.